From the brand synonymous with single use disposable batteries. Duracell Watch batteries are guaranteed to last much longer and perform better than the rest. Don't rely on cheap imitation button cell batteries for your watch. Trust the original brand behind the long lasting battery.
Duracell's Silver Oxide Watch batteries contain zero mercury.
SR625SW, 377, V377, SR66, LR66, 177, 376, LR626, SR626
Chemistry: Silver Oxide (0% Mercury)